Ara es mostren els items 1-20 de 29

  • ALOE: an open-source SDR execution environment with cognitive computing resource management capabilities 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2011-09)
    Article
    Accés restringit per política de l'editorial
    Future radio transceivers will offer more functionalities and system features for potentiating flexible and reconfigurable radio access networks. Since flexibility in this case comes at a price of computing resource overhead, ...
  • ALOE-based flexible LDPC decoder 

    Gómez Miguelez, Ismael; Camatel, Massimo; Bracke, Jordi; Marojevic, Vuk; Gelonch Bosch, Antonio José; Vacca, Fabrizio; Masera, Guido (IEEE Computer Society Publications, 2010)
    Text en actes de congrés
    Accés obert
    Radio communications terminals and infrastructure tend to support an increasing range of algorithms and radio access technologies. Flexible processing platforms are therefore needed for supporting multistandard or heterogeneous ...
  • Analyzing the effect of power control algorithms on the receiver's computing resource consumption 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Salazar Hernández, Dagoberto José; Gelonch Bosch, Antonio José (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Traditional Software-Defined Radios are limited in their ability to share the computational infrastructure between different channel flows of different demands. Future terminals should move to a shared resource model to ...
  • A real time emulator demonstrating advanced resource management solutions 

    Gelonch Bosch, Antonio José; Revés Ballesté, Xavier; Marojevic, Vuk; Nasreddine, Jad Nayef; Pérez Romero, Jordi; Sallent Roig, José Oriol (2010-07)
    Article
    Accés restringit per política de l'editorial
  • A real time emulator of the UMTS lower layers for the wineglass demonstrator 

    Gelonch Bosch, Antonio José; Revés Ballesté, Xavier; Umbert Juliana, Anna; Ferrús Ferré, Ramón Antonio; Casadevall Palacio, Fernando José (European Commission, 2000)
    Text en actes de congrés
    Accés obert
    In this paper, a general description of the main features of a Real Time Emulator, which emulates the lower layers of the UMTS Radio Access system, is presented. For the physical layer, the emulation model is based on the ...
  • Automatic computing resource awareness in resource managers for cognitive radios 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2010)
    Text en actes de congrés
    Accés obert
    With all the potential flexibility of software-defined radios, the flexibility of SDR terminals is currently limited to design time flexibility. The capacity of the platform in terms of processing resources and internal ...
  • Cognitive resource management: for all wireless access layers 

    Marojevic, Vuk; Gómez Miguelez, Ismael; Gelonch Bosch, Antonio José (2012)
    Article
    Accés restringit per política de l'editorial
  • Deployment and management of SDR cloud computing resources: problem definition and fundamental limits 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2013-03)
    Article
    Accés obert
    Software-defined radio (SDR) describes radio transceivers implemented in software that executes on general-purpose hardware. SDR combined with cloud computing technology will reshape the wireless access infrastructure, ...
  • Design and implementation of a wide-band real-time mobile channel emulator 

    Olmos Bonafé, Juan José; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José; Femenias Nadal, Guillem (1999-05)
    Article
    Accés obert
    A new wide-band mobile channel emulator for the CODIT project is designed and implemented. The UMTS code-division testbed (CODIT R2020) is a research project within the European RACE-II program set up by the Commission of ...
  • Design and implementation of a wide-band real-time mobile channel emulator 

    Olmos Bonafé, Juan José; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José; Femenias Nadal, Guillem (IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 1999-05)
    Article
    Accés obert
    A new wide-band mobile channel emulator for the CODIT project is designed and implemented. The UMTS code-division testbed (CODIT R2020) is a research project within the European RACE-II program set up by the Commission of ...
  • Dynamic resource allocation in software-defined radio - The interrelation between platform architecture and application mapping 

    Marojevic, Vuk; Revés Ballesté, Xavier; Gelonch Bosch, Antonio José (2006-09)
    Article
    Accés obert
  • Energy-efficient water-filling with order statistics 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2014-01-01)
    Article
    Accés restringit per política de l'editorial
    This paper proposes a methodology based on order statistics to study the energy-efficient (EE) power allocation for wireless communication transmitters. Water-filling power allocation maximizes the EE when transmitting and ...
  • Envelope tracking amplification with reduced slew-rate and bandwidth envelopes 

    Vizarreta Paz, Pedro Pablo; Montoro López, Gabriel; Gilabert Pinal, Pere Lluís; Bertran Albertí, Eduardo; Berenguer Sau, Jordi; Gelonch Bosch, Antonio José; García, José Angel (Unión Científica Internacional de Radio, 2012)
    Text en actes de congrés
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    This paper presents an Envelope Tracking Pow- er Amplifier whose architecture includes a Hybrid Envelope Amplifier (HEA) and an algorithm to adapt the envelope’s characteristics to the HEA’s limitations. The HEA attempts ...
  • Joint antenna diversity and combined DFE/decoding of trellis coded modulation on frequency-selective fading mobile radio channels 

    Gelonch Bosch, Antonio José (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Text en actes de congrés
    Accés obert
    A Monte Carlo simulation study of a combined FDMA/TDMA slow frequency-hopping trellis coded adaptive receiver for multipath Rayleigh fading channels is presented. The receiver structure, first proposed by Proakis (1989) ...
  • La evaluación en PBL: un caso práctico 

    García Lozano, Mario; Pérez Díaz de Cerio, David; Valenzuela González, José Luis; Gelonch Bosch, Antonio José; Alonso Zárate, Luis Gonzaga; Ruiz Boqué, Sílvia (2008)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Las ventajas de estructurar una asignatura, un conjunto o incluso todo un plan de estudios mediante Aprendizaje Basado en Proyectos (PBL) han sido ampliamente expuestas de forma teórica y práctica ...
  • Middleware extension for partial reconfiguration management in cognitive radios 

    Gómez Miguelez, Ismael; Wang, Honhzhi; Nafkha, Amor; Marojevic, Vuk; Moy, Christophe; Leray, Pierre; Gelonch Bosch, Antonio José (2010)
    Text en actes de congrés
    Accés restringit per política de l'editorial
    Today’s radio access technologies demand flexible, high performance and power-efficient computing. Software-defined radios offer a high degree of flexibility but their performance is limited in energy-constrained environments. ...
  • Performance and overhead analysis of the ALOE middleware for SDR 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Bracke, Jordi; Gelonch Bosch, Antonio José (IEEE Press. Institute of Electrical and Electronics Engineers, 2010)
    Text en actes de congrés
    Accés obert
    Current Software-Defined Radio applications (waveforms) are tailored to specific hardware. Processor vendors frequently adapt internal OS mechanisms for its specific architecture (e.g. scheduling and synchronization). ...
  • Performance of soft-output equalization and convolutional coding over frequency-selective fading radio channels 

    Valdominos Bardají, Antonio; Gelonch Bosch, Antonio José; Casadevall Palacio, Fernando José (Institute of Electrical and Electronics Engineers (IEEE), 1993)
    Text en actes de congrés
    Accés obert
    This paper presents an analysis of soft-output equalization and coding techniques applied to 4 and 16-QAM TDMA radio systems for frequency selective fading channels. In particular, typical urban and hilly terrain environments ...
  • Processing-to-amplifier power ratio for energy efficient communications 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (Institution of Electrical Engineers, 2012-06-07)
    Article
    Accés restringit per política de l'editorial
    The energy consumption of modern communications systems is dominated by the signal processing and shaping circuitry. Assuming a rate-independent processing power consumption, the energy per bit spent for signal processing ...
  • Resource management for software-defined radio clouds 

    Gómez Miguelez, Ismael; Marojevic, Vuk; Gelonch Bosch, Antonio José (2012-02)
    Article
    Accés restringit per política de l'editorial
    Software-defined radio (SDR) clouds combine SDR concepts with cloud computing technology for designing and managing future base stations. They provide a scalable solution for the evolution of wireless communications. The ...